| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once | 770 |
59.5%
|
| 2 | Two times | 289 |
22.3%
|
| 3 | Three times | 138 |
10.7%
|
| 4 | Four times | 42 |
3.2%
|
| 5 | 5+ times | 56 |
4.3%
|
| Sysmiss | 144766 |